Glue Modules – AO/SC or AO/AC?

What are some differences in modules for your Nordson® Applicator?

Do you need one that is air open/spring closed (AO/SC)? or
Do you need one that is air open/air closed (AO/AC)?

What is the difference?

It all depends on the speed of your application.  If you need a quicker cut off because your substrate is moving at a high speed, you may need the AO/AC module.  Air closes the piston needle much faster than a spring.

For standard case and carton sealing, the less expensive AO/SC will work.

Please let me know if you have further questions regarding the workings of our modules.

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